diff --git a/input.css b/input.css
index 4922776..f02d2b0 100644
--- a/input.css
+++ b/input.css
@@ -386,6 +386,7 @@
 .spinner {
     width: 50px;
     height: 50px;
+    background-color: #ffffff;
     border: 5px solid #cccccc;
     border-top-color: #1a1a1a;
     border-radius: 50%;
diff --git a/output.css b/output.css
index a16510c..a71a21c 100644
--- a/output.css
+++ b/output.css
@@ -2036,6 +2036,7 @@ html {
 .spinner {
   width: 50px;
   height: 50px;
+  background-color: #ffffff;
   border: 5px solid #cccccc;
   border-top-color: #1a1a1a;
   border-radius: 50%;